2001 Bonneville P0440 EVAP

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2001 Bonneville P0440 EVAP

Unread post by Guest » Wed Dec 02, 2009 9:30 pm

2001 Bonneville code P0440 coming up what is it and how do I fix it?

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butchkaz
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Re: 2001 Bonniville

Unread post by butchkaz » Thu Dec 03, 2009 10:14 pm

Code P0440 is a problem in the evaporative emissions system.
There can be many causes for this.
From a loose gas cap, leaking vapor line, to a stuck solenoid or valve.
A scanner to control the evap system funtions, and a pressure test on the system would be needed.
Be Sure To Check The Related Topics below For More Help.

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